Editing Texas Constitution talk:Article XI, Section 5 (section)

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Neither, we hold, does Section 5, Art. 11, interdict retroactive legislation affecting the power of home rule cities to annex territory. The Home Rule Amendment carefully preserved the priority of general laws enacted by the Legislature over ordinances passed by home rule cities. We find nothing in the amendment which curbs the power of the Legislature to limit the annexation powers of home rule cities; and nothing, where private rights are not involved, which curbs the power of the Legislature to impose retroactive limitations. Under the general rule quoted above from Blessing, the Legislature would have the power by general law, private rights not being involved, to detach from home rule cities all territory annexed since any given time or event; and if it may do that, it certainly had the power to provide that annexation proceedings pending on March 15, 1963, should conform to the limitations imposed by Section 7, par. B of Art. 970a

Deacon v. City of Euless, 405 S.W.2d 59 (1966)